28689268

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{3943}}^1$

素因数の和:4071

約数の個数: 24

約数和(自身を含む): 53669952

約数和(自身を除く): 24980684

約数列:

[1, 2, 4, 17, 34, 68, 107, 214, 428, 1819, 3638, 3943, 7276, 7886, 15772, 67031, 134062, 268124, 421901, 843802, 1687604, 7172317, 14344634, 28689268]

約数ペア:

[(1, 28689268), (2, 14344634), (4, 7172317), (17, 1687604), (34, 843802), (68, 421901), (107, 268124), (214, 134062), (428, 67031), (1819, 15772), (3638, 7886), (3943, 7276)]